I suspect that google bought nest as a beachhead for creating a "house platform" Having google in your house means that it makes sense for an en user to have a

I suspect that google bought nest as a beachhead for creating a "house platform" Having google in your house means that it makes sense for an en user to have an android phone, a google account. If you make the walled garden nice enough, you'll never want to leave. Or if you make people invest enough in it, its to expensive or painful to leave. As HA requires a bit of work to setup, its always going to be for tinkerers (unless its packaged and supported by a third party)